EasyCleaner is a small program which searches the Windows registry for entries that are pointing nowhere. 1.3 MB | For Windows 7, Windows 8 / Vista / XPFree
A true all-in-one "swiss army knife" system maintenance and optimization suite: Puran Utilities is a collection of 24 different utilities designed to clean up and speed up your computer; it includes tools which can be described as clean-up, maintenance, security and registry cleaning. 9.88 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Puran Utilities Review - System Cleaner Download
AVG PC Tuneup is an extensive tool which allows its users to completely overhaul their system in terms of performance. 56.0 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware AVG PC Tuneup Review - System Cleaner Download
Remove preinstalled junk in one fell swoop: Recently purchased a new PC or thinking of getting one? 1.28 MB | For Windows 7, Windows 8 / Vista / XPFree The PC Decrapifier Review - System Cleaner Download
A system cleaner which protects privacy and removes junk: BleachBit is an extremely useful and versatile freeware portable system cleaning application which removes junk from your PC extremely effectively and quickly. 6.13 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree BleachBit Review - System Cleaner Download
Cleans junk from your hard drive: HDCleaner clears the fixed disk and removes unnecessary file garbage from all available drives. 2.36 MB | For Windows 7 / Vista / XP / 2000 / MEShareware
DustBuster is a garbage file removing utility for Microsoft Windows operating systems. 299 KB | For Windows 7 / Vista / XP / NTFree DustBuster Review - System Cleaner Download
A windows optimizer and system cleaning utility: It is the easiest and most comprehensive way to keep your PC running cleaner, faster and error free. 1.1 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware
Free Internet Window Washer is a free privacy cleaner to remove internet tracks and computer activities. 1.24 MB | For Windows 7, Windows 8 / Vista / XP / NTFree
Clean your PC of duplicate files: Duplicate Finder is a duplicate file cleaner which uses CRC32 or exact byte matches to find files on your PC which are exactly the same. 0.91 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Duplicate Finder Review - System Cleaner Download
Provides tweaks and improvements for Windows and startup: CCleaner and Advanced SystemCare are two programs which many know. 3.45 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree JetClean Review - System Cleaner Download
Norton PC Checkup is a free tool that Symantec offers you so you may check whether your computer is running at peak performance; of course, they also include a basic virus-scanner which checks your PC for malware or viruses. 11.6 MB | For Windows 7, Windows 8 / Vista / XPFree Norton PC Checkup Review - System Cleaner Download
Freeware optimization utility: Featuring a set of 10 different tools in various areas, PC Health Optimizer (Free Version) will improve the performance of your Windows-based system by performing clean-up and optimization taks on the registry, your system memory, hard drives and more. 10.76 MB | For Windows 7, Windows 8 / Vista / XP / NTFree PC Health Optimizer Free Edition Review - System Cleaner Download
Free System Optimizer: We were very surprised to find a freeware utility like Glary Utilities which did so much without having the nag the user to upgrade to a full version. 8 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Glary Utilities Review - System Cleaner Download
Whether you've owned your PC for a while or you've just purchased it to realize that it's completely filled with bloatware and useless applications, you might have realized that it is inherently slow. 6.17 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree SpeedItup Free Review - System Cleaner Download
Feature-packed system diagnostics tool and optimizer: Freeware fans should be happy to learn that Kingsoft has released a bundle of applications which tune and optimize Windows. 5.32 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree PC Doctor Review - System Cleaner Download
Comodo System Utilities is a free suite of PC optimization utilities built and designed by the folks being the highly popular Comodo Antivirus and Internet Security suites. 12.9 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Comodo System Utilities Review - System Cleaner Download
This program gives you secure file deletion, making sure that deleted files cannot be undeleted again. 1.06 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
Error Repair Professional - Keep your PC operating smoothly by using Error Repair Professional to scan, identify, clean and repair errors in your PC with a single click. 1.26 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
File Shredder is free, secure and fast application to permanently shred and delete files and folders on your computer. 2.25 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
A PC system cleaning application with well thought-out features: Talk about useful! 2.39 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Wise Disk Cleaner Review - System Cleaner Download
Every now and then, it can become a pain when you're having to deal with unwanted Windows components which are usually impossible or very difficult to remove. 2.5 MB | For Windows 7, Windows 8 / Vista / XPFree nLite Review - System Cleaner Download
Wipes personal and internet files: Stellar Wipe is hard drive scrubbing software which helps users effectively erase files and folders from the file system that are no longer required. 35.76 MB | For Windows 7, Windows 8 / Vista / XP / NTFree Stellar Wipe-Personal Edition Review - System Cleaner Download
When your Windows PC starts to slow down or you're experiencing severe slowdowns when you're booting your system up, it might be time to start tuning up your computer. 16.59 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Acebyte Utilities Review - System Cleaner Download
A system cleaning application which aims to improve system performance: A suite of tools for increasing MS Windows operating system performance. 1.43 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
Ashampoo WinOptimizer is an application designed to help users maintain, optimize and cleanup their system more easily without having to use multiple third party programs. | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware Ashampoo WinOptimizer Review - System Cleaner Download
IObit Toolbox is a free portable system maintenance application which can be run from a USB stick. 21.46 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree IObit Toolbox Review - System Cleaner Download
Very useful utility pack for Windows optimization: There are plenty of freeware utilities on the market which promise to clean your system and bring it up to par with something that you might see in the shoppes, but a lot of them fail miserably or only barely make your system perform better. 5.66 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree WinUtilities Free Edition Review - System Cleaner Download
Advanced Registry Doctor (ARD) will cure your registry and thus provide a better performance of your Windows OS. 5.45 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
A freeware system cleaner and optimization application: At times, your PC might get a little bit bogged down due to the various changes and messes left behind by uninstalled or even installed, but recent closed programs. 0.85 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree nCleaner Review - System Cleaner Download
Temp File Cleaner has a pretty basic task: To clean temporary files from your system that may be wasting space and in some cases, slowing down your entire system. 1.88 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Temp File Cleaner Review - System Cleaner Download
Internet Disk Cleaner protects your privacy by cleaning up all Internet tracks and past computer activities. 0.72 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware
An effective optimizer for tweaking and speeding up Windows computers: WinOptimizer Platinum by Ashampoo is a complete and comprehensive set of utilities which keeps your Windows PC in top operating condition. 11.65 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware Ashampoo WinOptimizer Platinum 3 Review - System Cleaner Download
Rising PC Doctor includes a bunch of different tools for the maintenance and security of your personal computer. 8.58 MB | For Windows 7, Windows 8 / Vista / XP / NTFree Rising PC Doctor Review - System Cleaner Download
Many people do not realize that the Windows operating system, Internet browsers as well many other programs store useless and redundant information on your hard drive. 1.3 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware
O&O CleverCache 6 Server Edition is a unique tool that optimizes your file cache Management in Windows Vista, NT, Windows 2000, and Windows 2003. 3.58 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
Clean unwanted and bloated files from Windows: Unwanted and even dangerous clutter from daily use and Internt surfing builds up over time. 4.98 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware
Best Privacy Pack provides essential tools for privacy protection, a password and sensitive info wallet, and a folder hider. 4.01 MB | For Windows 7, Windows 8 / Vista / XP / NTFree
IQmango PC Cleaner is a tool created for cleaning out unnecessary files from your computer. 4.33 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree IQmango PC Cleaner Review - System Cleaner Download
System Ninja is a fast, powerful and effective system optimization solution for Windows XP, Windows Vista and Windows 7. 1.82 MB | For Windows 7, Windows 8 / Vista / XPFree
Registry Defragmentation is a small utility that does gigantic improvements in computer performance. 3.08 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
Alien Registry Viewer is similar to the RegEdit application included into Windows, but unlike RegEdit, it works with standalone registry files. 0.43 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Trial
ToolWiz Care is a set of free-of-charge tools designed to speed up your PC and give your system a full range of care. 7.3 MB | For Windows 7, Windows 8 / Vista / XPFree